(adj): incapable of harmonious association
(adj): sharply and harshly discordant
(adj): unable to be both true at the same time
(adj): used of plant stock or scions; incapable of being grafted
(adj): vs. synergistic), incompatible -- (used especially of drugs or muscles that counteract or neutralize each other's effect
(adj): acting to neutralize acid (especially in the stomach)
(adj): counteracting inflammation
(adj): vs. congenial), incompatible -- (not suitable to your tastes or needs
(adj): not agreeing with your tastes or expectations
(adj): vs. compatible) -- (incapable of being used with or connected to other devices or components without modification
(adj): of words so related that one contrasts with the other
(adj): vs. synonymous) -- (of words: having opposite meanings
(adj): not easy to combine harmoniously
(adj): vs. matched) -- (either not matched or unsuitably matched
(adj): not compatible with other facts
(adj): vs. consistent) -- (displaying a lack of consistency
(adj): predicate), unfitting -- (not in keeping with what is correct or proper
(adj): vs. congruous) -- (lacking in harmony or compatibility or appropriateness
(adj): used especially of solids or solutions; incapable of blending into a stable homogeneous mixture
(adj): vs. miscible), non-miscible, unmixable -- ((chemistry, physics) incapable of mixing